Campagnolo Scirocco 35mm free hub sound (fast spin)

http://tidd.ly/481bf13b Secret clearance page at ProBikeKit.
Campagnolo Scirocco 35mm free hub sound with a fast spin. Freehub was silent when new, but factory grease was cleaned out and replaced with light coat of park tool grease. Wheels have been run in 500km, and progressively got louder during that period.